The students indulged me in an activity for place value in math...
using paper tens and ones,
they created their name and figured out how much it was worth!
Continuing in our Rocks and Minerals investigation, the students attempted to find out the hardness of the minerals...
very soft if you could scratch it with your fingernail..
soft if you could scratch it with a penny...
and medium if the nail scratched it. If it couldn't scratch it with one of those, they considered it hard. Probably not what the geologist, Mohs, had in mind, but a learning experience none the less.
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